Method for multihop routing for distributed wlan networks
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[0020] Referring now to the drawings, and more particular to FIG. 1, where there are illustrated a number of STAs 10 within three separate IBSSs 15. FIG. 1 illustrates a multihop connection between STA A and STA B. The connection ultimately includes three hops between STA A and STA B using two other STAs 10 in order to establish the connection. According to the present invention, an addition is proposed to the EEE 802.11 protocol. In this proposal, the NAV value at STA nodes within multihop route are expanded to cover a chain of hops between multiple STAs rather than only covering a single link. The NAV value protects transmissions from collision and interference. In this manner, once a multihop route has been established between two STAs 10, the delays for transmitting the payload will be relatively short.
[0021] By extending the NAV value to cover multiple links, the overall capacity of the system will be decreased due to the fact that a larger part of the BSS bandwidth is granted...
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